:: Synchronizing package databases...
 build-support-manual downloading...
 build-support downloading...
 core-staging downloading...
 extra-staging downloading...
 core-testing downloading...
 core downloading...
 extra-testing downloading...
 extra downloading...
:: Starting full system upgrade...
 there is nothing to do
==> Building in chroot for [extra-staging-with-build-support] (pentium4)...
==> Synchronizing chroot copy [/var/lib/archbuild/slave3/extra-staging-with-build-support-pentium4/root] -> [slave3]...done
==> Making package: tmuxp 1.55.0-1.0 (Fri 28 Mar 2025 08:30:40 CET)
==> Retrieving sources...
  -> Found tmuxp-1.55.0.tar.gz
==> Validating source files with sha512sums...
    tmuxp-1.55.0.tar.gz ... Passed
==> Validating source files with b2sums...
    tmuxp-1.55.0.tar.gz ... Passed
gpg: Warning: using insecure memory!
==> Appending keys from archlinux32.gpg...
gpg: Warning: using insecure memory!
gpg: Warning: using insecure memory!
gpg: Warning: using insecure memory!
gpg: Warning: using insecure memory!
gpg: Warning: using insecure memory!
gpg: Warning: using insecure memory!
gpg: Warning: using insecure memory!
gpg: Warning: using insecure memory!
gpg: Warning: using insecure memory!
gpg: Warning: using insecure memory!
gpg: Warning: using insecure memory!
gpg: Warning: using insecure memory!
gpg: Warning: using insecure memory!
gpg: Warning: using insecure memory!
==> Updating trust database...
gpg: Warning: using insecure memory!
gpg: next trustdb check due at 2025-06-16
==> Making package: tmuxp 1.55.0-1.0 (Fri Mar 28 08:30:45 2025)
==> Checking runtime dependencies...
==> Installing missing dependencies...
:: There are 2 providers available for python-pyyaml:
:: Repository extra-testing
   1) python-yaml
:: Repository extra
   2) python-yaml

Enter a number (default=1): 
resolving dependencies...
looking for conflicting packages...

Packages (7) libutempter-1.2.1-4.2  libyaml-0.2.5-3.0  tmux-3.5_a-1.0  python-colorama-0.4.6-3.2  python-libtmux-0.37.0-2.1  python-typing_extensions-4.12.2-1.0  python-yaml-6.0.2-1.0

Total Installed Size:  3.53 MiB

:: Proceed with installation? [Y/n] 
checking keyring...
checking package integrity...
loading package files...
checking for file conflicts...
:: Processing package changes...
installing python-colorama...
installing python-typing_extensions...
installing libutempter...
installing tmux...
installing python-libtmux...
Optional dependencies for python-libtmux
    python-pytest: for pytest plugin
installing libyaml...
installing python-yaml...
:: Running post-transaction hooks...
(1/2) Creating temporary files...
(2/2) Arming ConditionNeedsUpdate...
==> Checking buildtime dependencies...
==> Installing missing dependencies...
resolving dependencies...
looking for conflicting packages...

Packages (14) python-editables-0.5-3.1  python-iniconfig-2.0.0-5.1  python-pathspec-0.12.1-2.1  python-pluggy-1.5.0-1.0  python-pyproject-hooks-1.2.0-3.0  python-trove-classifiers-2024.10.21.16-1.0  python-build-1.2.2-3.0  python-hatchling-1.25.0-1.0  python-installer-1-1.0  python-pytest-1:8.3.3-1.0  python-pytest-mock-3.14.0-1.1  python-pytest-rerunfailures-14.0-2.0  python-shtab-1.7.1-2.0  python-wheel-1-1.0

Total Installed Size:  7.92 MiB

:: Proceed with installation? [Y/n] 
checking keyring...
checking package integrity...
loading package files...
checking for file conflicts...
:: Processing package changes...
installing python-pyproject-hooks...
installing python-build...
installing python-installer...
installing python-pathspec...
installing python-pluggy...
installing python-editables...
installing python-trove-classifiers...
installing python-hatchling...
installing python-shtab...
installing python-wheel...
installing python-iniconfig...
installing python-pytest...
installing python-pytest-mock...
installing python-pytest-rerunfailures...
Optional dependencies for python-pytest-rerunfailures
    python-pytest-xdist: for recovering from crashes
:: Running post-transaction hooks...
(1/1) Arming ConditionNeedsUpdate...
==> Retrieving sources...
  -> Found tmuxp-1.55.0.tar.gz
==> WARNING: Skipping all source file integrity checks.
==> Extracting sources...
  -> Extracting tmuxp-1.55.0.tar.gz with bsdtar
==> Starting build()...
* Getting build dependencies for wheel...

Traceback (most recent call last):
  File "/usr/lib/python3.13/site-packages/pyproject_hooks/_impl.py", line 402, in _call_hook
    raise BackendUnavailable(
    ...<4 lines>...
    )
pyproject_hooks._impl.BackendUnavailable: Cannot import 'hatchling.build'

ERROR Backend 'hatchling.build' is not available.
==> ERROR: A failure occurred in build().
    Aborting...
==> ERROR: Build failed, check /var/lib/archbuild/slave3/extra-staging-with-build-support-pentium4/slave3/build
used straw: :with_build_support:haskell_without_check:
slave3@eurobuild6